Star Sapphire and Chrysocolla Physical Properties

Star Sapphire

Chrysocolla

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.052.00-2.45

1 7.18

1.5 Fracture

Not Available

Sub-Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

none

1.7 Mohs Hardness

Not Available2-4

2 10

1.8 Chemical Composition

Al 2O 3Ulrich Henn and Claudio C.

Cu₂H₂Si₂O₅(OH)₄

Star Sapphire and Chrysocolla Chemical Formula

While comparing Star Sapphire and Chrysocolla physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Star Sapphire and Chrysocolla chemical formula.

Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Chemical formula of Chrysocolla- Cu₂H₂Si₂O₅(OH)₄

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Star Sapphire and Chrysocolla Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Sapphire and Chrysocolla Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Sapphire and Chrysocolla Optical Properties during the identification of gemstone. Specific gravity of Star Sapphire is 2.00-2.45 whereas that of Chrysocolla is 2.00-2.45.